{% extends "topnav.html"%}

{% block title %}
登录
{% endblock %}
{% block body %}
<form method="post">
    <label>用户名:</label><input type="text" name="userid"><br>
    <label>密码:</label><input type="password" name="password"><br>
    <input type="submit" value="提交"><br>
</form>
{% endblock %}